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170 amp High Output Marine alternator to replace 20827 11SI

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Availability: Most alternators are custom built to order. Standard build time is 2-3 weeks. If you need an alternator sooner than that, please contact a sales associate to see if any in-stock options are available.
SKU: M20827170
Weight: 18.00 LBS
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SKU:M20827170 ,Availability: ,Weight: ,Shipping:

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SKU:
M20827170
MPN:
M20827170
Availability:
Most alternators are custom built to order. Standard build time is 2-3 weeks. If you need an alternator sooner than that, please contact a sales associate to see if any in-stock options are available.
Weight:
18.00 LBS
Shipping:
Calculated at Checkout

Warranty

2 year performance guarantee.The MechMan two year warranty applies to Mechman Al…

Warranty

2 year performance guarantee.

The MechMan two year warranty applies to Mechman Alternators sold ON or AFTER 07/13/2011. This limited two year warranty allows the customer to return his or her MechMan alternator for repair for a full two years after the alternator purchase date. This warranty does not cover other parts or equipment on the vehicle, and does not cover labor for removal or installation of the alternator. This warranty is VOID if the MechMan alternator is modified, physically abused, misused, improperly installed, or is not used in the application for which it was designed. The MechMan two year warranty is non-transferrable. The customer must include a copy of the original invoice when sending in their alternator in order to receive warranty service. The customer is responsible for shipping the alternator to the Mechman facility for warranty service, Mechman will pay return shipping back to the customer for all alternators under warranty. As an added service, MechMan will also service any MechMan alternator of any age or condition for the cost of parts and return shipping. (We provide the labor to repair the alternator for free!)

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170 amp High Output Marine alternator to replace 20827  11SI
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Description

This high output alternator features late model 6-phase hairpin stator technology in a custom machined housing that bolts directly in place of the antiquated 11SI design. Don't be fooled by cheap re-winds advertised as making 150-200 amps in the original 11SI housing! Our 11SI upgrade has (12) huge press fit diodes, instead of the (6) small diodes used in a standard 11SI. The MechMan 170 amp unit has twin, solid copper rectifier plates with 200%+ more surface area to dissipate heat, as in comparison to the 11SI aluminum rectifier design. Hairpin stator technology allows this unit to crank out much more output at idle than anything 11SI based, over 120 amps at engine idle RPM! This alternator is certified to meet or exceed SAE J1171, ISO 8846, and USCG Title 33 standards for ignition protection. 

Simply check the technical drawing in this listing against the measurements of your original alternator to verify fitment. All MechMan marine alternators are made in the USA, and feature a 1 year limited warranty. MechMan marine units are hard black anodized, THEN grey enamel coated to provide the best possible corrosion resistance.

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